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A survey organization drew a simple random sample of 625 households from a city of 100,000 households. The sample mean number of people in the

A survey organization drew a simple random sample of 625 households from a city of 100,000 households. The sample mean number of people in the 625 households was 2.30 and a 95% confidence interval for the mean number of people in the 100,000 households was 2.16

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